org.batoo.jpa.core.impl.criteria

Class CriteriaDeleteImpl<T>

java.lang.Object

org.batoo.jpa.core.impl.criteria.BaseQueryImpl<T>

org.batoo.jpa.core.impl.criteria.CriteriaModify<T>

org.batoo.jpa.core.impl.criteria.CriteriaDeleteImpl<T>

Type Parameters:

T - the entity type that is the target of the delete

All Implemented Interfaces:

BaseQuery<T>

public class CriteriaDeleteImpl<T>
extends CriteriaModify<T>

Implementation of CriteriaDelete.

Since:

2.0.0

Author:

hceylan

Constructor Summary

Constructors

Constructor and Description
CriteriaDeleteImpl(MetamodelImpl metamodel)
CriteriaDeleteImpl(MetamodelImpl metamodel, String qlString)

Method Summary

Methods

Modifier and Type	Method and Description
String	generateJpql() Generates the JPQL for the query.
String	generateSql() Returns the generated SQL.
boolean	isQuery() Returns if the query is a select query.
CriteriaDeleteImpl<T>	where(javax.persistence.criteria.Expression<Boolean> restriction) Modify the query to restrict the target of the deletion according to the specified boolean expression.
CriteriaDeleteImpl<T>	where(javax.persistence.criteria.Predicate... restrictions) Modify the query to restrict the target of the deletion according to the conjunction of the specified restriction predicates.

Methods inherited from class org.batoo.jpa.core.impl.criteria.CriteriaModify

from, from, generateSqlRestriction, getJpql, getRestriction, getRoot, isInternal, subquery

Methods inherited from class org.batoo.jpa.core.impl.criteria.BaseQueryImpl

generateTableAlias, getAlias, getAlias, getFieldAlias, getJdbcAdaptor, getMetamodel, getParameter, getParameters, getSql, getSqlParameters, setNextSqlParam

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CriteriaDeleteImpl

public CriteriaDeleteImpl(MetamodelImpl metamodel)

Parameters:

metamodel - the metamodel

Since:

2.0.0

CriteriaDeleteImpl

public CriteriaDeleteImpl(MetamodelImpl metamodel,
                  String qlString)

Parameters:

metamodel - the metamodel

qlString - the JPQL query

Since:

$version

Method Detail

generateJpql

public String generateJpql()

Generates the JPQL for the query.

Returns:

the generated JPQL

generateSql

public String generateSql()

Returns the generated SQL.

Returns:

the generated SQL

isQuery

public boolean isQuery()

Returns if the query is a select query.

Specified by:

isQuery in class BaseQueryImpl<T>

Returns:

true if the query is a select query, false otherwise

where

public CriteriaDeleteImpl<T> where(javax.persistence.criteria.Expression<Boolean> restriction)

Modify the query to restrict the target of the deletion according to the specified boolean expression. Replaces the previously added restriction(s), if any.

Overrides:

where in class CriteriaModify<T>

Parameters:

restriction - a simple or compound boolean expression

Returns:

the modified query

where

public CriteriaDeleteImpl<T> where(javax.persistence.criteria.Predicate... restrictions)

Modify the query to restrict the target of the deletion according to the conjunction of the specified restriction predicates. Replaces the previously added restriction(s), if any. If no restrictions are specified, any previously added restrictions are simply removed.

Overrides:

where in class CriteriaModify<T>

Parameters:

restrictions - zero or more restriction predicates

Returns:

the modified query